PROVN OF ONE MEGA WATT SOLAR POWER PROJECT UNDER GE (I) (P) No 2

(b) Container shall include bottom frame 100mmx50mm C channel ISI marked, Top frame of size 50mmx50mm MS square pipe ISI marked , stiffener bottom 100mm x50mm, 50mmx25mm, 25mmx25mm MS square pipe ISI marked stiffener top 50mmx25mm, 25mmx25m MS square pipe ISI marked, side post 50mmx50mm, 50mmx25mm MS square pipe ISI marked, Side wall stiffness specially formed CR sheets of thicknes 1.2mm internal wall panelling 8mm thick MDF and all vertically and horizontal corner will be nealty and smoothly finished with aluminium section and L angle, Roof outside 1.2mm thick sheet of make properly sloped and water tight, false ceiling 9mm thick and smoothly finished with aluminium section and L angle, flooring 18mm thick cemented board of make visaka industries will be fixed by means of self taping screw and 1.5mm thick PVC vinyl carpet will be fixed on the panel (100% water termite and dimensional proof with veyl carpet) Aluminium windows double shutter sliding aluminium powder coated windows of thickness of 1.2mm with 4mm thick glass of make saint Gobin for all windows safety grill from outside and canopy above the floor frame work by tubular pipe of 25x25, Door with lock and handles with hydraulic door closer. Insulation 25mm thick glass wool insulation of density 65kg/m3 on side wall and 50mm on ceiling , all wiring will be PVC insulated copper wires of ISI quality, suitable for 240 volts 50 bukhead, switches and socket of 6Amp of ISI make. Split air conditioner point 16Amp alongwith seperate MCB earthing point will be provided for safety. Outside painting with 1 coat of Epoxy primer with 2 coats of epoxy paint and specially formed hooks for easy lifting and shifting.

Supply and fixing GI bracket 1.2 m long made out of GI pipe 40mm dia mediam grade with necessary clamp for fixing nut and bolts and connection complete all as specified and directed

Supply and fixing of junction box made out of PVC box with necessary clamps for fixing busbar with MCB SP 6 Amps and necessary connection from street light to junction box with 2.5 sqmm x 3C copper conductor cable complete all as specified and directed

All as per Srl No. 94. above but exc 1.5 m or part there of in depth beyond the first 1.5m complete all as specified and directed

Removing excavated rocks material from site n exc. 50 m and depositing where directed at a level n exc. 1.5m above the starting point complete all as specified and directed

Nature of Work: PROVN OF ONE MEGA WATT SOLAR POWER PROJECT UNDER GE (I) (P) No 2.

Material and Labour for 9mm thick Prelaminated particle board, interior grade, prelaminated one side with decorative choice lamination & other side balancing white lamination,fixed with nails on ceiling complete all as specified and directed.

Under composion of following. (LT panel No-01 Lower Chumathag) (i) ACB 415 V, 4 pole, 1600 Amp, 50 KA -01 No (Incoming) (ii) ACB 415 V, 4 pole, 800 Amp, 50 KA -01 No (Outgoing) For existing DG panel (iii) ACB 415 V, 4 pole, 800 Amp, 50 KA -01 No (Outgoing) For existing DG panel (iv) Bus bar chamber with and including aluminium strip (set 4 Nos) suitable for 2500 Amps duly moounted on porcelain insulators -01 Set (v) Digital amp meter 3 ph programmeable type with suitable 2500 Amps -01 Set (vi) Digital volt meter 3 ph programmeable type with suitable 0- 500 volts -01 Set (vii) LED phase indicator (RYB )-01 Set

.(v) Site clearance incl removal of boulders to a distance 250 m to 500m to be ca

rried out before execution of work. Amount required for site clearance is deemed to be inclulded in the amount quoted by Contractor against this item. Contractor is advised to visit the site before quoting the rate. (vi) Country of origin for solar cell & PV module must confirm to ALMM APPROVED LIST OF MNRE. (B) String array combiner/Junction Boxes: Supply & fix suitable Numbers of dust, vermin and waterproof Array string array combiner/Junction Boxes and main junction boxes made of FRP/Thermo Plast with IP65 protection in compliance with IEC62208 and shall be sunlight /UV resistant a well of fire retardant including over voltage protection, surge protection and maintenance free earthing as per relavant standard. The string array combiner/Junction boxes shall have suitable arrangement of followings: (i) Strings are required to be connected to the busbar through individual fuses. Provide arrangement for disconnection for each of the groups (ii) Provide a test point for each subgroup for quick fault location & to provide group array isolation. (iii) Each array junction box will have suitable by pass & reverse blocking diodes for maximum DC blocking voltage of 1500V with suitable arrangement for its connection. Reverse blocking & by-pass diodes shall work for temperative extreames & shall have efficiency of 99.98% conformed by appropriate IEC standard. Note:- String array combiner/ junction box shall be carried out as per approved SLD. (C) Cabling : (i) Supply and fixing suitable size of XLPO insulated copper cable as per load of solar grade, 1800 V DC/1100 V AC or higher DC voltage rating, confirming to TUV 2 pfg 1169/08.2007 PV1F and latest IEC codes & IS codes for Solar Cables. (ii) All cables and connectors for use of installations shall be of solar grade which can withstand harsh environment conditions including high temperature, UV radians, rain. humidity, dirt, burial and attack by moss and microbes for 25 years and voltage as per latest IEC/IS in standards. (iii) All cables/wires shall be provided with UV resistance printed copper ferrules for DC side. (iv) Size of cable from PV module to invertor shall be minimum 6 sqmm 1 core multistranded copper UV protected solar cable to be provided. (v) Cable Batch No./Drum No., IS code & size make should be printed/embossed at every one metre. (vi) The wiring of modules interconnection shall be in suitable size GI/HD pipe. (vii) Size of wire - 3.70mm dia with tolerance limit (+/ -) 0.08mm. (viii) Size of aperture - 80mm x 100mm (ix) Woven double twisted, hexagonal shaped Zn + PVC coated wire mesh type 80 x 100mm of wire 3.70mm dia wire as per IS 16014. The wire used for the manufacture of wire mesh shall have minimum tensile strength of 350N/mm2 and elongation shall not be less than 10% in accordance with IS 16014.To be laid in DWC pipe of suitable size. (xi) Solar inverter to ACB Panel, connection aluminium XLPE conductor cable of size 185 sqmm x 3C 1.9/3.3 KV rating Note : Cost of interconnecting copper cable (AC & DC), Al XLPE cable from Solar Invertor to ACB panel and cable tray above upto inverter and LT panels and upto LT side of transformer as per site requirement at the location as directed deemed to include in the item quotated rates and no extra payment will be made to contractor on this account. LT Panel shall be paid seperately.

(D) Module Mounting Structure (MMS) : Supply, design & fixing support structure MS hot dipped galvanised (80Micrones) including PCC 1:2:4 type B-1 for each support / foundation for civil works (excavation and earth work cutting, grouting, PCC etc.) and fixing the mouting arrangement suitable for PV solar modules & to withstand minimum horizontal wind speed of 198km/hr. The mounting structure is of mild steel hot dipped galvanised. The array structure shall be so designed that it will occupy minimum space without sacrificing the output from Solar PV panels. Nut bolts, supporting structures including module mounting structures shall have to be adequately protected from atmosphere and weather prevailing in the area. All fastners shall be of stainless steel of grade SS316. Two numbers of anti-theft fasteners of stainless steel on two diagonally opposite corner of each module shall be provided. Note: (i) Cost of interconnecting copper cables along with cable trays ( floor/ wall mounted ) suitable to accommodate solar grade cables & cables upto inverter is included in the item and no extra payment will be made to contractor. (ii) The module mounting structure shall be carried out as per approved drawing of foundation MMS. MMS foundation shall be designed as per IS 456:2000 and IS 13920:2016 and drawings shall be approved by GE before execution. (iii) The MMS stub/column,rafter,purlin ,ties and bracing members shall conform to following indian standard :IS 2062 -Hot rolled medium and high tensile structural steel ,IS 811-Cold formed light gauged structural steel section ,IS 1161-steel tube for structural purposes, IS4923- Hollow steel section for structural use. Minimum grade of steel sections for conforming to IS 811 and IS 4923 shall be E350 conforming to IS 2062 and Yst 310 conforming to IS 1608 respectively. (E) Lightning Protection for PV Array :- Supply & fix Lightning Arrestor of the required number of suitable Early Streamer Emission (ESE) lightning arrestors installed in the array field. Lightning arrestors/surge arrestors shall conform to IEC 60099-4 or IS:3070 except to the extent modified in the specifications. Arrestors shall be of hermetically sealed units, self-supporting construction, suitable for mounting on lattice type support with the following :- (i) The air terminal should be capable of racking the lightning stroke 60 micro seconds earlier as compare to passive lightning rod. (ii) The air terminal is Early Streamer Emission (E.S.E.) type which shall be fixed at the top of a GI elevation pole with base so as be at least 2 meters above the structure to be protected. Its height above roof level would be dependent on the level of protection and the protection radii required (iii) The air terminal should be working on the principle of early streamer emission using non-radioactve technology, needing no external power source. (iv) The air terminal is of stainless steel and it has qualified diameter to resist high values of lightning currents. (v) Roof connecting pipe should be capable of withstand in lightning strikes having dimension 50mm ID and 60mm OD. The terminal adaptor having inner dia 60mm OD. Lightening protection shall be provided as per approved Drg.

IEC-62109(1&2) or equivalent for safety & IEC-62093 for reliability. The input D.C. tech specification of inverter are as under and as per approved design. (i) Operating temperature :-40ºC to + 35ºC, (ii) Relative humidity (Non condensing) upto 95%. (iii) The inverter shall consist of associated control, protection, data loging device and remote monitoring hardware. the inverter shall be suitable for operation at Chumathang .Alt 4200 mtr and min - 40ºC temperature . (iv)The inverters shall have minimum protection to IP65 and minimum European efficiency 99% load as per IEC 61683 standard. (v) The inverter shall adjust voltage and frequency levels to suit the existing DG Sets/AC power supply. (vi) The inverter shall be self-commulated with pulse width modulation (PWM) technology and shall be capable of synchronize maximum within 1 minute. vii) Maximum power point tracker (MPPT) conforming IEC- 62093 shall be integrated in the inverter to maximize energy drawn from the solar PV array. (viii) The inverter shall include appropriate self protection & self diagnostic feature to protect itself and the PV array from the damage in the event of inverter component failure or from parameters beyond the inverter's safe operating due to internal or external causes.

(ii) Trolly mounted vaccum circuit breaker as per IEC-62271-100 SF6 circuit breaker should have three Nos resin encapsulated vaccum bottles.(iii) Motorized spring charging mechanism 230V AC 50 Hz with integral spring charging handle for manual spring charging. (iv) Cast resin current transformer 11KV, 200/1-1A, Core-I: class 1.0, 5VA, core2:5P10,5VA.Bushing shall be of 11 KV (v) Cast resin potential transformer 11KV/√3/110V, 50VA, class 0.5Cl 3P, bushing shall be 11KV KV and HT fuse at the primary end and 4P MCB at secondary end of PT. (vi) Accessoories like local/remote switch, breaker control switch (T-N-C) space heater with thermostat, DC and AC control circuit through MCB, indicating lamps for RYB, spring charge, DC supply healthy, breaker ON/OFF , breaker in SERVICE/TEST. (vii) Multifunction meter with RS 485 port , on MODBUS Protocol. (viii) Digital ammeter and digital voltmeter. (ix) Master trip relay-01 No and Aux relay TCS, DC Fail, OC & E/F (x) Comprehensive numarical protection relay on MODBUS protocol compatiable for directional and non directional O/C, E/F, U/V, O/V protection, Pressure switch or gas density monito, Frequency relay, Breaker failure protection Transfomer protection Bucholz protection, PRV, Differential protection, OTI, WTI Relay and panel should have following additional facilities:- (xi) Trip Ckt supervision, AC fail, DC fail (xii) Disturbance recorder. (xiii) Event log with date and time (xiv) Measurment and control feature (xv) Fully internal arc type tested. (xvi) SF6 bottles should be epoxy encapsulated. (xvii) Racking in/out, manual closing/tripping of CB with compartment door closed. (xviii) Breaker shall be provided with following contacts:- (xix) Auxilary switch with 6 No + 6 NC mounted on the draw out portion of the switchgear. (xx) Position switch with 3 NO + 1NC contacts for each position in SERVICE and TEST. (xxi) 16 window annunciater with hooter/alarm for OC,SC,OV,UV,TCS,DC Fail, AC Fail OTI,WTI,PRV,Bucholz, Differential, OF, UF, Gas density low, Breaker failure protection

Removing excavated material (soil) to a distance not exc 50m and depositing where directed at a level not exc 1.5m above the starting point complete all as specified and directed.

EACH JOB

Material and Labour for construction of steel gate 5.5m wide and 3m high with RCC pillars including excavation and earth work and all other relevant works complete all as specified and directed.

EACH SET

Material and Labour for renderring 15mm thick in CM 1:4 on fair faces of concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.

Supply, installation, testing and commissioning of factory made, DG disribution cum DG syncronization panel of suitable size, outdoor type made out of CRCA sheet 3.15 mm thick with partition of 1.6 mm, frame factory fabricated with front and back openable double door with locking arrangement, with MS angle section 50x50x6 mm support, duly powder coated painting having thickness not less than 100 microns provided suitable gasket to make it dust and vermin proof, suitable for 3 Phase 4 wire, 415 Volts, 50 Hz, AC supply system,comprising of following :- (a) Distribution panel with ACB 2500Amp microprocessor release operation type, 415 Volt 50 KA 1 Nos 2500 Amp ACB (b) DG Synchronizing panel- DG Sync Panel with double busbars required for sync 3 nos 400 KVA DG set after Sync Power fed to 2500 Amp Distribution Panel (c) Control Ckt require for DG Sync With PV System, Logic of this control ckt : DG 1, 400 KVA on all time with minimum 30% load and when load increase 80% DG2 400 KVA start and so on for all 3rd Nos 400 KVA DG) Note: DG syncronization panel shall be provided as per approved SLD complete all as specified and directed..

Material and Labour for renderring 15mm thick in CM 1:4 on stone masonry surfaces finished even and smooth without using extra cement complete all as specified and directed.

Material and Labour for Walling of random rubble masonry, uncoursed well bonded bedded and solidly hearted built in CM 1:4 and flush pointing the surface in contact with earth in same mortar as the work proceeds complete all as specified and directed.

Material and Labour for Earthing complete with GI earthplate electrode 600mm x 600mm and not less than 6 mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level connected to GI strip of size 32x6mm by means of bolts, nuts, check nuts and washers of GI/steel all as shown in electric plate No 3 connected to equipments complete and including char coal dust & salt filling in alternate layers (each layer shall be 15 cm thick)

Material and Labour for Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to galvanised earth lead wire 4mm dia by means of bolts,check nuts and washers and earth lead protected by provision of GI pipe light grade 15mm bore including provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded crushed stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM (weight not less than 4 KG/Sqm) and frame of angle iron 25 X 25 X 3mm with lugs 2 Nos and with 6mm dia MS bar handle made to shape, GI medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge plate, common salt and charcoal filling, connecting to test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil,returning filling in and removal of surplus soil to a distance not exeeding 50 mtr, all as per electrical plate No 3 all as specified and testing on completion. Note :- Cost of earth lead upto 7.5 mtr and GI 15mm bore pipe is deemed to be included in unit rate.

Material and Labour for cement concrete work in pavement/hardstanding of flexural strength 40 kg/sqcm in field using 400 kg of cement per Cum for thickness of concrete 20 cm including brooming the surface complete all as specified and directed.

Supply and laying unreinforced precast concrete cable cover on the cable in the trench,classl LV, Type-I, flat size 250mm X150mmX50mm(1100 volts LT cable) complete all as specified and directed.

Material and Labour for forming contraction (Dummy) joints 80mm deepx 10mm wide filled with sealing compound grade B complete all as specified and directed.

Material and Labour for forming 20mm thick expansiion joints filled with preformed bituminous filler and top 30mm primed and sealed with sealing compound grade 'B' for 200mm thickness of concrete slab complete all as specified and directed.

Material and Labour for Switch air break gang opertated tripple pole mechanically operated from ground level mounted, outdoor type suitable for vertical instatllation single break provided with locking arrangement for operating handle with lock consisting of mild steel channel HT post top insulator copper alloy high pressure assembly 33 KV grade complete with all accessories complete all as specified and directed.

Supply and install LT panel outdoor type weather & vermin proof suitable for 3 phase 415 V made out of 3.15 mm thick MS sheet duly powder coated and both sides openable with locking arrangment and aluminium busbar of capacity not less than 2200 Amp insulated with PVC sleeves and coloured with (R,Y,B and Black) with angle iron frame for stand made out of 40 x 40 x 6mm including four legs grouted by using PCC (1:2:4) type B 1 with 20mm graded stone aggregate thimbling and cable entry box incl connection and necessary fixing arrangement complete all as specified and directed by Engineer in Charge.

Supplying, installation, commissioning and testing of transformer step down 11/0.415KV capacity 400 KVA, Level II, IS 1180 Part I, out door type copper wound 3 phase, 4 wire, 50 cycles per second, oil immersed naturally cooled external cooling tube core type delta connection on primary side (HV side) and star connection on secondary side (LV side) having tapping 0,± 2.5%, ±5%, ±7.5% to be charged by means of hand operated, off load/tap changing gear including first filling of new transformer oil of dielectric strength not less than 60 KV with standard fittings such as two earting terminals for body and one additional for neutral brought out inbushing, oil level gauge indicator for level minimum and maximum, lifting lugs, rating and termina plate, plain breather device to prevent ingress of rain water and inserts, drain cum sampling valve 20mm bore steel with plug,dial type thermo meter, oil filling hole 32mm threaded with plug. The transfo

The signal cable length shall not exceed 20 m .The contractor shall provide instrument manual in hard and soft form. (L) Protection switch gears: Supply, installation, testing and commissioning of factory made outdoor type, LT panel weather & vermin proof suitable for 3 phase 415 V made out of 3.15 mm thick with internal partition of 1.6 mm thick MS sheet duly powder coated and both sides openable with locking arrangment and aluminium busbar of capacity not less than 2000 Amp, outdoor type , frame factory fabricated , duly powder coated painting having thickness not less than 100 microns provided suitable gasket, suitable for 3 Phase 4 wire, 415 Volts, 50 Hz, AC supply system, including the following :- (a) ACB 1250 Amps capacity adjustable type , 4 pole 50 KA, 800 V, 50 HZ draw out type breaking capacity 50 KA( Icu=Ics=Icw=50KA) microprocessor protection. (b) MCCB 400 A, 4 pole, 415 volts, 50 Hz - 03 Nos (C) Bus bar chamber with and including aluminium strip (set 4 Nos) suitable for 800 V duly moounted on porcelain insulators -01 Set (d) Digital amp meter 3 ph programmeable type with suitable 1600 Amps -01 Set (e) Digital volt meter 3 ph programmeable type with suitable 0- 800 volts -01 Set (g) CT 1250/5A/5A, PT 100VA CL 0.5/3P (h) LED phase indicator (RYB )-01 Set. All DC & AC circuits shall be suitably protected using appropriate circuit breakers and isolators, fuses and relays annunciator & system condition displays. Protection switchgears on AC side shall have LT ACB 1250 Amps capacity adjustable type , 4 pole 50 KA, 800 V, 50 HZ draw out type breaking capacity 50 KA( Icu=Ics=Icw=50KA) microprocessor protection based with overload ,short circuit over voltage, under voltage, over frequency , under frequency , earth fault and instantaneous over current protection unit , electrically operated with manual spring charge facility , having indication for earth /over load /overvoltage/ under voltage/ over frequency/ under frequency complete with digital meter. Note:- Panel shall be provided as per approved SLD. (M) Cable Duct / Conduit DWC Pipe : Cable duct/ cable tray of appropriate size from solar panel to inverter/ transformer and cable duct made from PCC etc incl MS plates duct cover 6 mm thick (plain or chequered) channels square cut or notched ( ordinary & counter sunk) forming holes without any attachment complete all as spd and directed. Note: (a) There should be provision of vertical separation between power and control cable duct. (b) Cable duct shall be provided as per approved drg .

Supply & fixing lightning arrestor, high tension, polymer type gapless complete with all fitting transmission class, of capacity 33 kilo volts complete all as specified and directed.

Supply, laying, testing and commissioning of aluminium conductor, XLPE insulated, PVC inner sheathed, GI strip or wire armoured & overall PVC sheathed cable of 11 KV (Earthed) grade in trenchesl/ in GI pipe including dressing and clamping the cable with MS clamps of cross section area 185 Sqmm 3 core complete all as specified and directed.

Supply, laying, testing and commissioning of aluminium conductor, XLPE insulated, PVC inner sheathed, GI strip or wire armoured & overall PVC sheathed cable of 11 KV (Earthed) grade in trenchesl/ in GI pipe including dressing and clamping the cable with MS clamps of cross section area 120 Sqmm 3 core complete all as specified and directed.

Material and Labour for galvanised steel wire of 4 mm dia with hooks stretching kinks and bends completed all as specified and directed.

(i) ACB 415 V, 4 pole, 800 Amp, 50 KA -01 No (Incoming) (ii) MCCB 415 V, 4 pole, 200 Amp, 25 KA -1 No (Out Going), MCCB 415 V, 4 pole, 400 Amp, 36 KA -1 No (Out Going) MCCB 415 V, 4 pole, 100 Amp, 25 KA -1 No (Out Going) (iii) Bus bar chamber with and including aluminium strip (set 4 Nos) suitable for 1250 Amps duly moounted on porcelain insulators -01 Set (iv) Digital amp meter 3 ph programmeable type with suitable 800 Amps -01 Set (v) Digital volt meter 3 ph programmeable type with suitable 0-500 volts -01 Set (vi) LED phase indicator (RYB )-01 Set

Material and Labour for Galvanised steel tubing light grade 80 mm bore laid in trenches or fix to wall/hole with fitting as required for cable protection complete all as specified and directed.

Material and Labour for Galvanised steel tubing light grade 100 mm bore laid in trenches or fix to wall/hole with fitting as required for cable protection complete all as specified and directed.

Material and Labour for stay assembly complete using stay rod of 20 mm dia complete with accessories as shown in electric plate no 1 of SSR-2009 Part -I complete all as specified and directed by Engr-in-Charge Note: (Unit rate quoted by contractor herein before also includes earth work and PCC work ,Loop type insulator ,stay clamps ,nuts ,bolts ,washers and concrete complete all as specified and directed.

Material and Labour for galvanised stay strand, size 7/4 mm complete all as specified and directed.

Supply and install LT panel box outdoor type weather & vermin proof suitable for single phase 230 V made out of 3.15 mm thick MS sheet duly powder coated and both sides

Material and Labour for cement concrete 1:3:6 type C-1 using 20mm graded crushed stone aggregate as in surface channel and inside drains of manhole complete all as specified and directed.

Supply, laying, testing and commissioning of XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 300 Sqmm 3.5 core complete all as specified and directed

Supply only liquid water proofing compound complete all as specified and directed.

Material and Labour for PCC 1:2:4 Type B1 using 20 mm garded stone agg as in coping including weathering slightly rounded or chamfered angles and throating complete all as specified and directed.

Extra forming fair finished drain or channel 30cm inner girth in cement concrete using extra cement including forms moulds mitred/stopped ends etc complete all as specified and directed.

Use and waste of formwork to soffits of suspended slabs such as roof slabs, floor slabs, landing and similar work not exc 200mm thick (horizontal or sloping) for flat fair finished surfaces complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards rails straining bolts etc including provision of binding wire complete all as specified and directed.

Supply, laying, testing and commissioning of XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 185 Sqmm 3.5 core complete all as specified and directed